Bump ethers from 5.7.2 to 6.12.1

Bumps [ethers](https://github.com/ethers-io/ethers.js) from 5.7.2 to 6.12.1.
- [Release notes](https://github.com/ethers-io/ethers.js/releases)
- [Changelog](https://github.com/ethers-io/ethers.js/blob/main/CHANGELOG.md)
- [Commits](ethers-io/ethers.js@v5.7.2...v6.12.1)

---
updated-dependencies:
- dependency-name: ethers
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -45,7 +45,7 @@
     "eslint-config-prettier": "^8.5.0",
     "eslint-config-standard": "^17.0.0",
     "eslint-plugin-import": "^2.29.1",
-    "ethers": "^6.12.0",
+    "ethers": "^6.12.1",
     "express": "^4.18.2",
     "laravel-mix": "^6.0.49",
     "mocha": "^10.0.0",